HR7668

Below the horizon. Rise: 0:39 | Tran: 3:05 | Set: 5:26

Alt: -44.40° Az: 89.51° Direction: South

HR7668 is a multiple star of spectral class B8 in the constellation of Sagittarius.

HR7668 visual magnitude is 6.53. Because of its faintness, HR7668 is not visible to the naked eye.

DSS2 image of HR7668. The red arrow shows the motion of HR7668 during the next 10000 years (3.00 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 07m 09s

Declination -32° 55’ 32”

Hour Angle 15h 53m 22s

Sidereal Time 12h 00m 31s

J2000

Right Ascension 20h 05m 32s

Declination -33° 00’ 00”

Galactic Coordinates

Galactic Longitude 8.38°

Galactic Latitude -29.04°

Finder Chart

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Finder chart for HR7668.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.53

Class

Absolute magnitude -0.76

Spectral Type B8

Color Index (B-V) -0.08

Temperature 11247K

The red dot in the diagram below shows where HR7668 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7668. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7668 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7668 double sysyem:

Main star magnitude 6.53

Secondary star magnitude 7.53

Magnitude difference 1

Separation 0.4 arcsec

Distance, Radial Speed, Proper Motion

HR7668 is distant 936.78 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 287.36

Distance (light year) 936.78

Radial Speed -18 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec -0.018"/y

Alternative Designations

Henry Draper Catalogue HD190306

SAO Catalogue SAO211798

Hipparcos Catalogue HIP98960

Durchmusterung Catalogue CD-3314700

Visibility from Your Location

Today's HR7668 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.9° RISE 0:39

Max altitude: 5.6° TRANSIT 3:05

Azimuth: 237.1° SET 5:26

Set Location

Other stars in Sagittarius